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# frozen_string_literal: true
require_relative '../converter'
require_relative '../null_converter'
module Necromancer
# Container for Range converter classes
module RangeConverters
SINGLE_DIGIT_MATCHER = /^(\-?\d+)$/.freeze
DIGIT_MATCHER = /^(-?\d+?)(\.{2}\.?|-|,)(-?\d+)$/.freeze
LETTER_MATCHER = /^(\w)(\.{2}\.?|-|,)(\w)$/.freeze
# An object that converts a String to a Range
class StringToRangeConverter < Converter
# Convert value to Range type with possible ranges
#
# @param [Object] value
#
# @example
# converter.call('0,9') # => (0..9)
#
# @example
# converter.call('0-9') # => (0..9)
#
# @api public
def call(value, options = {})
strict = options.fetch(:strict, config.strict)
case value
when SINGLE_DIGIT_MATCHER
::Range.new($1.to_i, $1.to_i)
when DIGIT_MATCHER
::Range.new($1.to_i, $3.to_i, $2 == '...')
when LETTER_MATCHER
::Range.new($1.to_s, $3.to_s, $2 == '...')
else
strict ? raise_conversion_type(value) : value
end
end
end
def self.load(conversions)
conversions.register StringToRangeConverter.new(:string, :range)
conversions.register NullConverter.new(:range, :range)
end
end # RangeConverters
end # Necromancer
Version data entries
7 entries across 7 versions & 2 rubygems